Fixed-Gear Gear Chart with Chainline Ruler & Izumi Chain Wrench

Features:
Gear chart with your choice of chainring and cog ranges to fine-tune gearing for your race or training session.

High-contrast, large print embossed lettering that is easy to read at a glance, even for masters racers.

Chainline ruler to check your chainring alignment on the fly against the 42 mm track standard to maximize drivetrain efficiency.

Izumi square-nut wrench to hold that finicky lock nut while swapping or installing chains.

Ideal For:
Track sprinters dialing in their kilo or team sprint gearing
Pursuiters fine-tuning for perfect cadence
Mechanics prepping multiple athlete setups between heats
Fixed gear crit racers needing fast gear swaps
Athletes doing over-geared or under-geared training sessions

Details:
Chart includes 6 chainrings and 4 cogs. Choose the size that best represents your gear options.

Please message with gear selection if ordering a custom size.

3 1/8" by 4 3/4"

Gear ratios use the nominal calculation: 27 times (chainring/cog) rounded to the nearest whole

Storage in extreme heat may cause minor warping. Avoid leaving in hot cars in summer months